local rSide = "top" -- edit to modem side
local receiveID = 1 -- edit to display computers id.
local running = true
rednet.open(rSide)

function clear()
term.clear()
term.setCursorPos(1,1)
end
while running do
clear()
print("Command \"start\" or \"stop\"")
write("command > ")
cmd = read()
if cmd == "start" then
rednet.send(receiveID, "start")
print("Message sent")
sleep(2)
elseif cmd == "stop" then
rednet.send(receiveID, "stop")
print("Message Sent")
sleep(2)
else
print("wrong input...")
sleep(2)
end
end